clc
clear
img=?imread?（‘temp.bmp‘）;?
[mn]=size（img）;
subplot（221）imshow（img）;title（‘?圖一?原圖像‘）;
hold?off;
img=double（img）;
?
for?i=1:1000
%歸類
?????sum1=0;count1=0;
?????sum2=0;count2=0;
?????sum3=0;count3=0;
?????sum4=0;count4=0;
??tic
?for?x=1:217
????for?y=1:181????????
?????c1（1）=0;??%背景?
?????c2（1）=25;?%腦脊液
?????c3（1）=83;?%腦灰質
?????c4（1）=115;%腦白質?
?????r1=abs（img（xy）-c1（i））;
?????r2=abs（img（xy）-c2（i））;
?????r3=abs（img（xy）-c3（i））;
?????r4=abs（img（xy）-c4（i））;
?????d=[r1r2r3r4];
?????min1=min（d）;
?????if?min1==r1
?????????sum1=sum1+img（xy）;
?????????count1=count1+1;
?????elseif?min1==r2
?????????sum2=sum2+img（xy）;
?????????count2=count2+1;
?????elseif?min1==r3
?????????sum3=sum3+img（xy）;
?????????count3=count3+1;
?????elseif?min1==r4
?????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2831??2010-12-02?20:40??Brain?MRI?Ssegmentation\Kmeans.m

?????文件????????526??2010-11-02?13:43??Brain?MRI?Ssegmentation\mask.m

?????文件??????41006??2010-09-28?14:35??Brain?MRI?Ssegmentation\MRI.bmp

?????文件???????1253??2010-12-02?15:19??Brain?MRI?Ssegmentation\MRI_segmentation.m

?????文件????????312??2010-09-26?22:04??Brain?MRI?Ssegmentation\regiongrow.m

?????文件??????41006??2010-12-02?15:18??Brain?MRI?Ssegmentation\temp.bmp

?????文件???????5567??2010-10-27?19:43??Brain?MRI?Ssegmentation\html\MRI_segmentation.html

?????文件???????3531??2010-10-27?19:43??Brain?MRI?Ssegmentation\html\MRI_segmentation.png

?????文件??????30763??2010-10-27?19:43??Brain?MRI?Ssegmentation\html\MRI_segmentation_01.png

?????文件???????1641??2010-10-27?19:43??Brain?MRI?Ssegmentation\html\MRI_segmentation_02.png

?????文件??????26531??2010-10-27?19:43??Brain?MRI?Ssegmentation\html\MRI_segmentation_03.png

?????文件???????3189??2010-10-27?19:43??Brain?MRI?Ssegmentation\html\MRI_segmentation_04.png

?????文件???????3353??2010-10-27?19:43??Brain?MRI?Ssegmentation\html\MRI_segmentation_05.png

?????文件???????2331??2010-10-27?19:43??Brain?MRI?Ssegmentation\html\MRI_segmentation_06.png

?????文件???????4048??2010-10-27?19:43??Brain?MRI?Ssegmentation\html\MRI_segmentation_07.png

????..A.SH.?????30208??2011-02-24?14:34??Brain?MRI?Ssegmentation\html\Thumbs.db

?????目錄??????????0??2011-10-27?21:59??Brain?MRI?Ssegmentation\html

?????目錄??????????0??2011-10-27?21:59??Brain?MRI?Ssegmentation

-----------?---------??----------?-----??----

???????????????198096????????????????????18